package com.example.test_20230602;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/getParamter")
public class GetParamter extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String username = req.getParameter("username");
        if (username == null) {
            System.out.println("username 这个key 在 query string 中不存在");
        }
        String password = req.getParameter("password");
        if (username == null) {
            System.out.println("password 这个key 在 query string 中不存在");
        }
        System.out.println("username = " + username + ", password=" + password);
        resp.getWriter().write("ok");
    }
}
